The investigation remains ongoing. Investigators released the names on Saturday of the seven people who were killed in a massive pyrotechnics facility explosion in Northern California that took place days before the Fourth of July.

ESPARTO — Three brothers, two of them East Bay residents, were among seven people identified Friday by authorities in Yolo County as victims of an explosion at a warehouse storing fireworks. Investigations continue into the explosion’s fire and origin, and officials have not ruled out the possibility that criminal charges could come later.